Hi Steve, it would definitely help if you could send any problem booleans over to me here for testing.

Also, are you comparing to the current Rhino version or an older one?

Booleans are a complicated area, it is not really surprising that you may be able to find some particular area where MoI currently has a problem, like with your crossing sweeps that touch at a single crown point.

If you have run into other problems with sweeps, I don't remember you mentioning them here before?

I have definitely heard from a lot of people that MoI's booleans are working really well for them and it is not unusual for people to use it to supplement Rhino in areas where Rhino is having problems.

- Michael